48.They will not start the project until the board chairman _____ back from South Africa.
问题描述：
48.They will not start the project until the board chairman _____ back from South Africa.
A.will come
B.is coming
C.came
D.comes
请分析考点及解题思路（对于高手来讲这道题很容易,可对我却是有点难,请回答下其他答案为何不可?）
答
They will not start the project until the board chairman _____ back from South Africa.应选：D译文：他们要等董事长从南非回来,才会启动该计划.解析：not……until……直到……才……主将从现,主句用一般将来时...